StyleSheet.parentStyleSheet - Web APIs 编辑

The parentStyleSheet property of the StyleSheet interface returns the style sheet, if any, that is including the given style sheet.

Syntax

objRef = stylesheet.parentStyleSheet

Example

// Find the top level stylesheet
if (stylesheet.parentStyleSheet) {
  sheet = stylesheet.parentStyleSheet;
} else {
  sheet = stylesheet;
}

Notes

This property returns null if the current stylesheet is a top-level stylesheet or if stylesheet inclusion is not supported.

Specifications

Browser compatibility

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